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About to start laying and wiring tracks.  The sea level route is basically a double main folded dog-bone, and will have one of its two reversing loops hidden along the back wall (it’s the inverted L shape track – coming off the No.5 turnout on the top right side that reconnects on the far left bottom (OR, given the plan is on its side, it’s the right-most inverted L running from the lower right, over the top and that is the left-most track that reconnects on the top left).  Note - I've purposely removed stuff from the diagram (and covered another idea for yard tracks with a piece of paper) for ease of viewing it, so please disregard tracks that look like they lead nowhere, etc. 

 

Anyway - was thinking this reversing loop makes an ideal staging or storage track, as it will be hidden and around 28 feet long.  But, because it will be hidden, a train parked there might be forgotten and then another train might try to enter that track, causing a collision.  I’m assuming there’s an easy way to wire correctly to avoid a train entering that track if it’s already occupied by a parked train.  But I can't seem to find anything on this topic in reading through the various books I have on wiring!  We'll be running both conventional and command control, but mostly command control.  We have DCS now, but will likely add Legacy within the year.  Would appreciate any/all help, but I’m not an “electrical guy” so would appreciate “barney” style advice so I can follow it. 

 

Thanks.

 

Peter

 

 

 

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Last edited by PJB
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The easiest way would probably to put an isolated rail section there so that if a train was on the track it would light a red  indicator light somewhere to remind you a train is there - could even get fancy and wire it to a relay that would not let you switch another train in there if you tried. 

 

However, I'm thinking that it would be fun to use one of those small closed-circuit security TVs to actually see back there - you could see the train there and see it move, etc., as you operate it.  I've seen them for around $100 - $150.  More money, but fun!

Lee Willis, Thanks very much! I read many of your posts and find your comments helpful. I think one of the DVDs I have that showcases hobbyist layouts had one layout with a passing siding that was wired in such a way that trains couldn't collide. Gotta see if I can find that DVD and see if he gives explicit directions. Thanks again.

Peter: As usual Lee is correct.  I am in the process of adding block detectors using insulated rails and LED’s for occupancy indicators for hidden storage tracks on my layout right now.  I got the idea from a very complete and detailed OGR article written by Jim Barrett several years ago. 

 

Does anyone have an OGR index handy to help Peter find in which OGR Run Jim’s article was published?

 

Bill

That relay Dale mentions can also power on a Light on the control panel showing the track is occupied.

Most relays have both Normally open and closed connections. Power to common, Norm closed to track, Norm open to Light on board.

Train on siding, Track entry id dead so no collisions, and Light on control panel shows track occupied.

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